CN101992837B - Risk early-warning method of marine propulsion shafting - Google Patents
Risk early-warning method of marine propulsion shafting Download PDFInfo
- Publication number
- CN101992837B CN101992837B CN201010522424.6A CN201010522424A CN101992837B CN 101992837 B CN101992837 B CN 101992837B CN 201010522424 A CN201010522424 A CN 201010522424A CN 101992837 B CN101992837 B CN 101992837B
- Authority
- CN
- China
- Prior art keywords
- judged
- check
- warning
- normal
- risk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention belongs to the technical field of failure equipment diagnosis, and relates to a risk early-warning method of a marine propulsion shafting, which is used for status assessment and diagnosis in the case of power transmission failure between a main machine and propellers, wherein, risk early-warning is implemented by a computer program according to real-time equipment parameter information acquired by sensors arranged at check points of the marine propulsion shafting as well as equipment running and failure information acquired by artificial troubleshooting. The risk early-warning method comprises the following steps: sequentially checking the ahead and astern functions and the rotating speed of a ship, a gearbox lubricating oil low pressure shutdown function, gearbox lubricating oil temperature and pressure, propeller speed, a cooling water leakproof function and the temperature of a stern tube bearing sleeve; if the items are normal, judging that the marine propulsion shafting is in a good status, and then ending risk early-warning; otherwise, carrying out risk early-warning in a plurality of situations. The risk early-warning method overcomes the defect of complete dependence on subjective failure troubleshooting and utilizes the information acquired by artificial troubleshooting when inspection equipment can not be used, thus achieving faster, more efficient and more accurate risk early-warning and status assessment.
Description
Technical field
The invention belongs to malfunction equipment diagnostic technology field, relate to a kind of Propulsion Systems method for prewarning risk of boats and ships.
Background technology
Marine propulsion shafting is to carry out the system that energy transmits between marine main engine and the propelling unit, thereby it is to pass to hull promotion boats and ships to advance with the axial thrust that the screw propeller rotation produces by axle, is requisite vitals in the marine powerplant system.Marine propulsion shafting is subject to the impact of the various dynamic factors such as Propeller, shipbody deformation, lubricant film in the running, also may be subjected to the vibration effect that the impact loadings such as underwater blast cause.The safe and reliable running of marine propulsion shafting directly has influence on the normal navigation of boats and ships.
For strengthening administration of ship, guarantee navigation safety, improve the safety performance of marine propulsion shafting, for marine propulsion shafting major equipment such as boss rod, tween drive shaft, prop shaft, stern tube, reducing gearbox, the real-world operation state of coupler etc. is evaluated, judge the serviceability rate of marine propulsion shafting, and arrange targetedly emphasis overhaul of the equipments and maintenance according to evaluation result, solve the problem of its existence, formulate effective marine shafting condition improvement plan, guarantee the safe operation propagated, avoid the harbour of boats and ships to be detained, return depressed place maintenance etc., thereby save cost, improve the competitive power of Ship Management Co..Because the index that the marine shafting state evaluation relates to is more, relation between each influence factor is complicated, and at present, domestic Ship Management Co. also mainly relies on ship personnel's experience marine shafting is implemented state evaluation, have larger subjectivity, and overhaul efficiency is low, cost is high.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of marine propulsion shafting method for prewarning risk is proposed, realization is to marine propulsion shafting fast and effectively Risk-warning and state estimation, place in operation of the present invention, can make marine propulsion shafting state estimation and diagnosis break away from the present situation of main dependence service personnel technical experience, by analyzing the state parameter monitoring information by various sensors, strengthen the control and management to marine propulsion shafting, make inspection and repair of ship time saving and energy saving, reduce cost.For this reason, the present invention adopts following technical scheme:
A kind of marine propulsion shafting method for prewarning risk, be used for state estimation and diagnosis when the power transmission was lost efficacy between main frame and the screw propeller, the method according to the sensor Real-time Collection of installing at each measuring point place of marine propulsion shafting to device parameter information and artificial investigation the equipment operation and the failure message that obtain, implement Risk-warning by computer program, the method is: the ahead and astern function and the rotating speed that check successively boats and ships, gear case lubricating oil low-voltage parking function, the gear box lubricating oil temperature and pressure, propeller speed, cooling water expansion tank drip-preventing function and stern tube bearing carrier ring temperature, if below all normal, judge that then Propulsion Systems is in shape, finish this Risk-warning, otherwise, be divided into following several situation and carry out this Risk-warning:
If check to find ahead and astern function and rotating speed mal, then be divided into two kinds of situations: a kind of situation is that the unusual or reversing of positive car and rotating speed and rotating speed are unusual, then is judged as gearbox fault; Another kind of situation is ahead and astern and the equal mal of rotating speed, then continues to check gear case oil temperature and pressure, if oil temperature or oil pressure mal then are judged as gearbox fault, if the oil temperature oil pressure is all normal, then is judged as the flexible coupling fault;
When ahead and astern and rotating speed were normal, if check and find gear case lubricating oil low-voltage parking function mal, perhaps gear box lubricating oil temperature and pressure mal then was judged as gearbox fault;
When gear case lubricating oil low-voltage parking function is normal, and gear case oil temperature oil pressure is when all normal, if check and find the propeller speed mal, then is judged as oar axle connecting key and damages;
When propeller speed is normal, if check discovery cooling water expansion tank seepage, then be judged as stern shaft seal gland inefficacy or compressed air pressure low;
When the cooling water expansion tank drip-preventing function is normal, find stern tube bearing carrier ring excess Temperature if check, check then whether the bearing cooling water amount is sufficient, if not, then continue to check successively stern tube shaft cooling water valve, sea cock and valve, machine band pump, if check result is all normal, then is judged as water supply line and stops up, otherwise, continue this Risk-warning according to following several situations:
If check and find stern tube shaft cooling water valve mal, then be judged as valve opening and closing mistake or valve blockage, finish this Risk-warning;
When the stern tube shaft cooling water valve is normal, if check discovery sea cock and valve mal, then be judged as sea cock and valve obstruction or open amount not enough, finish this Risk-warning;
When sea cock and valve is normal, if check discovery machine band pump mal, then be judged as machine band failure of pump, finish this Risk-warning;
If check to find that bearing cooling water is sufficient, then continue to check successively stern tube shaft middle part amount of deflection, shafting vibration situation and bearing inner surface wear pattern, if stern tube shaft middle part amount of deflection is excessive, be judged as then that stern tube shaft is long or fulcrum is very few; When stern tube shaft middle part amount of deflection is little, if shafting vibration is little, then is judged as screw propeller and is wound; When shafting vibration is excessive, if the bearing inner surface serious wear then is judged as shafting alignment bad; If the bearing inner surface wearing and tearing are not serious, then be judged as lubricated nonconformity.
The present invention is applied to be on active service the at present Propulsion Systems Risk-warning of boats and ships of China, will be to each composition parts of Propulsion Systems, the actual operating state that comprises boss rod, flexible coupling, tween drive shaft, reducing gearbox, neck axle, hydraulic coupling, prop shaft, stern tube, first bearing, tail bearing and sealing arrangement etc. carries out Real-Time Monitoring and obtains its status information and combine with the artificial resulting information of malfunction elimination, carries out Risk-warning by the execution of program software.This kind method for prewarning risk had both overcome the defective that relies on subjective malfunction elimination fully, can utilize again in the time of can't adopting check implement and the information obtained by artificial investigation.Make Risk-warning and state estimation more quick, efficient, accurately, simultaneously current maintenance and the maintenance for boats and ships provides reference frame, and the Port State of having avoided boats and ships to cause because of the Propulsion Systems fault is detained or returns the depressed place maintenance, reduced the shipping transport cost.
Description of drawings
Fig. 1 marine propulsion shafting Risk-warning diagram of circuit.
The specific embodiment
The present invention is the marine propulsion shafting method for prewarning risk, utilizes computer program, when et out of order, in the mode of man-machine interaction, will manually investigate the result and input in the computing machine, then utilize set program, the Real-Time Monitoring result of investigation result and monitoring system is combined, carry out Risk-warning.Desired data is from two parts in the program, and a part is the actual monitoring data, and a part is through the relevant devices running state that obtains after the artificial investigation and the data of phenomenon of the failure.
The principle of work of paper marine propulsion shafting is referring to Fig. 1.Propulsion Systems is to transmit main engine power to the intermediate carrier of screw propeller, is comprised of the basic parts such as boss rod, flexible coupling, tween drive shaft, reducing gearbox, neck axle, hydraulic coupling, prop shaft, stern tube, first bearing, tail bearing and sealing arrangement.Tractive power is sent by main frame, be delivered to reducing gearbox by flexible coupling, through the gear case internal clutch be connected with gear that connection just can realize, car-backing function and power transmission thereof, the gear case output flange is connected with hydraulic coupling one end, the hydraulic coupling other end directly connects prop shaft (stern tube shaft), power then is delivered to stern tube shaft by hydraulic coupling from the gear case output flange, is delivered on the screw propeller by the flat key on the stern tube shaft again, drives screw propeller and rotates; Thrust then oppositely is delivered on the thrust baring in the gear case via screw propeller, stern tube shaft, hydraulic coupling, thereby is delivered on the hull, promotes boats and ships and advances or retreat.Stern tube shaft and support thereof (bearing) all are positioned at stern tube, and rotate in lubricating oil.Stern tube seals by two sealing members, outer seal be used for preventing water from flowing into stern tube in oil flow into marine.Inner seal is used for guaranteeing that oil can not flow into the cabin.Two sealing members all are to keep by the static pressure of the gravity tank that is full of screw shaft pipe oil.
Below in conjunction with the drawings and specific embodiments the present invention is described in detail.
The present invention is the marine propulsion shafting method for prewarning risk, utilize computer program, mode with man-machine interaction, to manually investigate the result inputs in the computing machine, when finding that marine propulsion shafting is unusual, according to the sensor Real-time Collection of installing at each measuring point place of marine propulsion shafting to device parameter information and artificial investigation the equipment operation and the failure message that obtain, implement Risk-warning by computer program.Referring to Fig. 1, the Risk-warning flow process is:
Check successively ahead and astern function and rotating speed, gear case lubricating oil low-voltage parking function, gear box lubricating oil temperature and pressure, propeller speed, cooling water expansion tank drip-preventing function and the stern tube bearing carrier ring temperature of boats and ships, if below all normal, then Propulsion Systems is in shape;
If ahead and astern function and rotating speed mal then are divided into again two kinds of situations: a kind of situation is that the unusual or reversing of positive car and rotating speed and rotating speed are unusual, then is judged as gearbox fault; Another kind of situation is ahead and astern and the equal mal of rotating speed, then continues to check gear case oil temperature and pressure, if oil temperature or oil pressure mal then are judged as gearbox fault, if the oil temperature oil pressure is all normal, then is judged as the flexible coupling fault;
When ahead and astern and rotating speed are normal, check and find gear case lubricating oil low-voltage parking function mal, perhaps gear box lubricating oil temperature and pressure mal then is judged as gearbox fault;
When gear case lubricating oil low-voltage parking function is normal, and gear case oil temperature oil pressure is when all normal, if the propeller speed mal then is judged as oar axle connecting key and damages;
When propeller speed is normal, if the cooling water expansion tank seepage then is judged as stern shaft seal gland inefficacy or compressed air pressure low;
When the cooling water expansion tank drip-preventing function is normal, if stern tube bearing carrier ring excess Temperature checks then whether the bearing cooling water amount is sufficient, if not, then continue to check successively stern tube shaft cooling water valve, sea cock and valve, machine band pump, if check result is all normal, then is judged as water supply line and stops up;
If stern tube shaft cooling water valve mal then is judged as valve opening and closing mistake or valve blockage;
When the stern tube shaft cooling water valve is normal, if the sea cock and valve mal then is judged as sea cock and valve obstruction or open amount not enough;
When sea cock and valve is normal, if check discovery machine band pump mal, then be judged as machine band failure of pump;
If bearing cooling water is sufficient, then continue to check successively stern tube shaft middle part amount of deflection, shafting vibration situation and bearing inner surface wear pattern: stern tube shaft middle part amount of deflection is excessive, is judged as then that stern tube shaft is long or fulcrum is very few; When stern tube shaft middle part amount of deflection is little, if shafting vibration is little, then is judged as screw propeller and is wound; When shafting vibration is excessive, if the bearing inner surface serious wear then is judged as shafting alignment bad; If the bearing inner surface wearing and tearing are not serious, then be judged as lubricated nonconformity.
Claims (1)
1. marine propulsion shafting method for prewarning risk, be used for state estimation and diagnosis when the power transmission was lost efficacy between main frame and the screw propeller, the method according to the sensor Real-time Collection of installing at each measuring point place of marine propulsion shafting to device parameter information and artificial investigation the equipment operation and the failure message that obtain, implement Risk-warning by computer program, the method is: the ahead and astern function and the rotating speed that check successively boats and ships, gear case lubricating oil low-voltage parking function, the gear box lubricating oil temperature and pressure, propeller speed, cooling water expansion tank drip-preventing function and stern tube bearing carrier ring temperature, if below all normal, judge that then Propulsion Systems is in shape, finish this Risk-warning, otherwise, be divided into following several situation and carry out this Risk-warning:
If check to find ahead and astern function and rotating speed mal, then be divided into two kinds of situations: a kind of situation is that the unusual or reversing of positive car and rotating speed and rotating speed are unusual, then is judged as gearbox fault; Another kind of situation is ahead and astern and the equal mal of rotating speed, then continues to check gear case oil temperature and pressure, if oil temperature or oil pressure mal then are judged as gearbox fault, if the oil temperature oil pressure is all normal, then is judged as the flexible coupling fault;
When ahead and astern and rotating speed were normal, if check and find gear case lubricating oil low-voltage parking function mal, perhaps gear box lubricating oil temperature and pressure mal then was judged as gearbox fault;
When gear case lubricating oil low-voltage parking function is normal, and gear case oil temperature oil pressure is when all normal, if check and find the propeller speed mal, then is judged as oar axle connecting key and damages;
When propeller speed is normal, if check discovery cooling water expansion tank seepage, then be judged as stern shaft seal gland inefficacy or compressed air pressure low;
When the cooling water expansion tank drip-preventing function is normal, find stern tube bearing carrier ring excess Temperature if check, check then whether the bearing cooling water amount is sufficient, if not, then continue to check successively stern tube shaft cooling water valve, sea cock and valve, machine band pump, if check result is all normal, then is judged as water supply line and stops up, otherwise, continue this Risk-warning according to following several situations:
If check and find stern tube shaft cooling water valve mal, then be judged as valve opening and closing mistake or valve blockage, finish this Risk-warning;
When the stern tube shaft cooling water valve is normal, if check discovery sea cock and valve mal, then be judged as sea cock and valve obstruction or open amount not enough, finish this Risk-warning;
When sea cock and valve is normal, if check discovery machine band pump mal, then be judged as machine band failure of pump, finish this Risk-warning;
If check to find that bearing cooling water is sufficient, then continue to check successively stern tube shaft middle part amount of deflection, shafting vibration situation and bearing inner surface wear pattern, if stern tube shaft middle part amount of deflection is excessive, be judged as then that stern tube shaft is long or fulcrum is very few; When stern tube shaft middle part amount of deflection is little, if shafting vibration is little, then is judged as screw propeller and is wound; When shafting vibration is excessive, if the bearing inner surface serious wear then is judged as shafting alignment bad; If the bearing inner surface wearing and tearing are not serious, then be judged as lubricated nonconformity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010522424.6A CN101992837B (en) | 2010-10-27 | 2010-10-27 | Risk early-warning method of marine propulsion shafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010522424.6A CN101992837B (en) | 2010-10-27 | 2010-10-27 | Risk early-warning method of marine propulsion shafting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101992837A CN101992837A (en) | 2011-03-30 |
| CN101992837B true CN101992837B (en) | 2013-02-13 |
Family
ID=43783723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010522424.6A Expired - Fee Related CN101992837B (en) | 2010-10-27 | 2010-10-27 | Risk early-warning method of marine propulsion shafting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101992837B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106777490B (en) * | 2016-11-15 | 2019-12-06 | 北京航空航天大学 | shock resistance calculation method for stern shaft sealing device based on substrate large mass method |
| CN109131729A (en) * | 2017-06-15 | 2019-01-04 | 北京新宇航测控科技股份有限公司 | The early warning system of naval vessel propeller |
| CN109163890B (en) * | 2018-07-10 | 2020-12-25 | 武汉船用机械有限责任公司 | Method for monitoring working state of controllable pitch propeller |
| CN109974805A (en) * | 2019-04-08 | 2019-07-05 | 江南造船(集团)有限责任公司 | A kind of liquid level monitoring device and its installation method |
| CN110132559A (en) * | 2019-05-06 | 2019-08-16 | 中国舰船研究设计中心 | It is a kind of for naval vessel shafting and the real-time monitoring system and method for stern vibration |
| CN110595637B (en) * | 2019-09-12 | 2024-03-08 | 广州中交通信有限公司 | Monitoring system and method for temperature of stern shaft |
| CN110562431B (en) * | 2019-09-16 | 2024-06-14 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Ship, propulsion system, and braking device and braking method thereof |
| CN116773168B (en) * | 2023-06-20 | 2024-03-12 | 南通思诺船舶科技有限公司 | Method and system for diagnosing faults of propeller shaft |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4768471A (en) * | 1987-10-15 | 1988-09-06 | Brunswick Corporation | Alarm system for marine drive |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003098044A (en) * | 2001-09-25 | 2003-04-03 | Sanshin Ind Co Ltd | Inspection device of marine structure, and inspection system of marine structure |
-
2010
- 2010-10-27 CN CN201010522424.6A patent/CN101992837B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4768471A (en) * | 1987-10-15 | 1988-09-06 | Brunswick Corporation | Alarm system for marine drive |
Non-Patent Citations (4)
| Title |
|---|
| 冯志敏.智能化故障诊断系统的研究与开发.《中国航海》.2003,(第1期),第13-17页. * |
| 冯志敏.船舶轴系扭振故障分析及预防.《第四届海内外青年设计与制造科学会议》.2000,第782-786页. * |
| 徐筱欣.舰船推进轴系可靠性研究的现状与发展.《中外船舶科技》.1996,(第2期),第7-11页. * |
| 许运秀等.6艘成品油船轴系故障分析与对策.《船舶工程》.1997,(第4期),第28-31页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101992837A (en) | 2011-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101992837B (en) | Risk early-warning method of marine propulsion shafting | |
| CN104002954A (en) | Vessel tail shaft device | |
| CN106240779A (en) | Pull-type full circle swinging electric power gondola propulsion system peculiar to vessel | |
| CN101386344B (en) | Risk early-warning method for ship hydraulic steering machine system | |
| CN103523193A (en) | Marine combined diesel or gas power transmission system | |
| CN203332385U (en) | Electric generator step-up gear box driven by ship power main drive shaft | |
| CN102828540B (en) | Device for diagnosing walking deviation fault of excavator | |
| EP2202143A1 (en) | Contra-rotating propeller propulsion system for ships | |
| EP4316974A1 (en) | Thrust clearance measuring device, thrust clearance measuring method, and marine vessel | |
| CN204323673U (en) | For testing the special gear box of diesel engine performance | |
| CN113739979B (en) | Turbocharger shaft lock nut dynamic moment detection device and method | |
| CN204056279U (en) | Screw shaft of ship device | |
| CN202429339U (en) | Pod propeller sealing device | |
| CN203500182U (en) | Remote fault diagnosis device for hydraulic system of forklift | |
| CN101565089A (en) | Device and method for debugging adjustable oar system of ship | |
| CN202130563U (en) | Pneumatic micro sightseeing submarine propulsion device | |
| CN103287565B (en) | The generator speed-increasing gearbox that a kind of ship power main driving axle drives | |
| CN202090988U (en) | Suspending machine out of boat | |
| US3411013A (en) | Marine accessory drive | |
| CN108240909A (en) | A kind of power assembly analog loading device | |
| CN209956200U (en) | Forced lubrication type oil distributor for adjustable propeller | |
| CN107521649A (en) | Ship is to rotating oar propulsive unit complete machine structure | |
| CN102730178A (en) | Electric propulsion system of large self-propelling semi-submersible transport ship | |
| Meng et al. | Management of Electric Propulsion System Based on Ship Environmental Protection Goals | |
| CN213871099U (en) | Rotary seal for propeller input shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20211027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |